Chart correction N18/24 — chart 44400
44400 6Ed. 01/30/16 LAST NM N17/24 N18/24 Delete Depth 17.8 meters 58°06.2′N 22°44.4′E Add Depth 41 meters Wk [K26] 57°47.1′N 23°19.1′E Depth 36 meters Wk [K26] 57°40.9′N 23°28.0′E Depth 17.2 meters Wk [K26] 58°06.4′N 22°45.3′E (4(81)24 Tallinn)
Source: NGA U.S. Notice to Mariners · edition: 6Ed. 01/30/16
Reference information — always verify against official Notices to Mariners before navigation.